Merge pull request numpy#14555 from sonotley/genfromtext_doc_clarify

DOC: clarify input types in basics.io.genfromtxt.rst

doc/source/user/basics.io.genfromtxt.rst

@@ -27,13 +27,13 @@ Defining the input
 ==================
 
 The only mandatory argument of :func:`~numpy.genfromtxt` is the source of
-the data. It can be a string, a list of strings, or a generator. If a
-single string is provided, it is assumed to be the name of a local or
-remote file, or an open file-like object with a :meth:`read` method, for
-example, a file or :class:`io.StringIO` object. If a list of strings
-or a generator returning strings is provided, each string is treated as one
-line in a file.  When the URL of a remote file is passed, the file is
-automatically downloaded to the current directory and opened.
+the data. It can be a string, a list of strings, a generator or an open
+file-like object with a :meth:`read` method, for example, a file or 
+:class:`io.StringIO` object. If a single string is provided, it is assumed
+to be the name of a local or remote file. If a list of strings or a generator
+returning strings is provided, each string is treated as one line in a file.
+When the URL of a remote file is passed, the file is automatically downloaded
+to the current directory and opened.
 
 Recognized file types are text files and archives.  Currently, the function
 recognizes :class:`gzip` and :class:`bz2` (`bzip2`) archives.  The type of